<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>jq链式操作</title>
		<script src="../js/jquery-3.4.1.min.js"></script>
		<script>
			$(function(){
				//加上文字 ，让文字居中，给边框，。。。。
				// $("h1#t").html($("h1#t").html()+"大扎好，我是渣渣灰");
				// $("h1#t").prop("align","center");
				// $("h1#t").css("border","10px groove blue");
				$("h1#t").html($("h1#t").html()+"大扎好，我是渣渣灰").prop("align","center").css("border","10px groove blue").css("background-color","brown");
			});
		</script>
	</head>
	<body>
		<h1 id="t">good morning</h1>
	</body>
</html>
